We explain what dmg files are and recommend software that we know can open or convert your dmg files. Since DMG files are used predominately to install applications on Macs, you cannot properly open DMG files on Windows computers.
There are some third-party equivalents to the Mac App Store. How to install Mac apps from third-party app stores. Once you’ve installed your apps, you can delete the DMG, ZIP, or PKG files, but you may want to keep them, if the apps are large, and your bandwidth is limited, in case you need to reinstall the apps, or install them on another Mac.
God knows how much space they can gobble up. After installation, you will probably forget to delete images you no longer need, while the size of such images may exceed the size of the application you`ve installed. You need to copy it from the disk image to the application folder and start installation.
